Portola Hills Weather Forecast

    • 54
    • 76

    Sunny

    • 55
    • 80

    Breezy

    • 53
    • 79

    Sunny

    • 53
    • 78

    Mostly Sunny

    • 53
    • 77

    Mostly Sunny

    • 52
    • 77

    Partly Sunny

Today 13 Jan Orange County Inland

Sunny. Highs around 78. Areas of Winds northeast 10 to 20 Mph with Gusts to 35 Mph becoming west 10 Mph with Gusts to 25 Mph this afternoon.

Tonight 13 Jan Orange County Inland

Clear. Lows 52 to 55. Areas of Winds east to 10 Mph.

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Portola Hills Temperature Statistics

January Temperature

Corona Airport (13 miles)

  • Lowest 8 January, 2026

    37.9 °F

  • Average January

    57 °F

  • Highest 11 January, 2026

    73 °F

Climate (2021–Present)

Corona Airport (13 miles)

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  • Average Low 2021–2026

    52.1 °F

  • Average 2021–2026

    64.8 °F

  • Average High 2021–2026

    78 °F
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